Figure 7. LM and SEM micrographs of pollen grains. (a)-(d) Quercus agrifolia (e)-(h) Quercus cedrosensis (i)-(l) Quercus chrysolepis var vacciniifolia (m)-(p) Quercus chrysolepis var vacciniifolia (q)-(t) Quercus cornelius-mulleri (u)-(x) Quercus douglasii